DataCommand.DeriveParameters(String, Int32, Int32) Method
Definition
Important
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Derives the parameters that can be specified for a given command.
public:
virtual cli::array <Microsoft::VisualStudio::Data::DataParameter ^> ^ DeriveParameters(System::String ^ command, int commandType, int commandTimeout);
public virtual Microsoft.VisualStudio.Data.DataParameter[] DeriveParameters (string command, int commandType, int commandTimeout);
abstract member DeriveParameters : string * int * int -> Microsoft.VisualStudio.Data.DataParameter[]
override this.DeriveParameters : string * int * int -> Microsoft.VisualStudio.Data.DataParameter[]
Public Overridable Function DeriveParameters (command As String, commandType As Integer, commandTimeout As Integer) As DataParameter()
Parameters
- command
- String
A command from which to derive parameters specific to a data source.
- commandType
- Int32
The command type for the indicated command, specifying how to interpret the contents of the command
parameter.
- commandTimeout
- Int32
The length of time, in seconds, to block the client before canceling the parameter derivation and returning to the caller. A value of 0 indicates infinite timeout; a value of -1 indicates a provider default.
Returns
Returns an array of DataParameter objects. Each object represents a parameter derived from the command.
Exceptions
The command or asyncCommandEvents are null.
The commandType specifies an invalid type.
The commandTimeout is less than -1.
The provider does not support this method.